244 lines
15 KiB
Plaintext
244 lines
15 KiB
Plaintext
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From Usenet:
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As some readers of this list may not know, under Equal Access,
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any long-distance company can carry 1-800 traffic. Which carrier gets
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the call is determined (at the moment) by the NNX of the number. I.E.
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1-800-528-1234 (The nation-wide number for making reservations at a
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Best Western Motel) is carried by AT&T. While 1-800-888-1800 is
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carried by MCI.
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The carrier must have Feature Group D presence for originating
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calls from the originating exchange (either direct, or through an
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access tandem).
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In the future, when CCIS becomes wide-spread, a query will be
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made in the database [Who gets 1-800-985-1234?] and the call will be
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routed appropriately. To clarify: Now the carrier is determined by
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the NNX. In the future, the carrier will be determined by the entire
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7 digits.
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A similar situation exists with 900 service. Each carrier can
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reserve NXX-s from BellCore (the people who among a zillion other
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tasks are in charge of handing out prefixes and area codes). They're
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not cheap! To get the actual number is free (there are qualifications
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that I don't deal with), but to get it 'turned on' in a LATA costs you
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money, depending on (1) How many prefixes you're getting, (2) whether
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it's 800 or 900 service, (3) How many Tandems/End Offices are in the
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LATA. It requires a discrete amount of labor for EACH office, because
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EACH routing table must be modified.
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Of the 800 possible NXX-s, 409 are currently %99
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long-distance carrier can get one 800 and four 900 numbers just for
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the paperwork. But to get more than that, you have to show that
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you're 70% full now, and demonstrate a real need for the capacity.
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I have included the entire 800-NXX to long-distance carrier
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translation table. Note that not every NXX is valid in every area.
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Revised 800/OCN Translation Table
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Effective 10 October 1988
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221 ATX 222 ATX 223 ATX 224 LDL 225 ATX
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226 MIC 227 ATX 228 ATX 229 TDX 230 NTK
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231 ATX 232 ATX 233 ATX 234 MCI 235 ATX
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236 SCH 237 ATX 238 ATX 239 DLT 240 SIR
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241 ATX 242 ATX 243 ATX 244 --- 245 ATX
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246 --- 247 ATX 248 ATX 249 --- 250 ---
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251 ATX 252 ATX 253 ATX 254 TTU 255 ATX
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256 LSI 257 ATX 258 ATX 259 --- 260 ---
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261 SCH 262 ATX 263 CAN 264 ICT 265 CAN
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266 CSY 267 CAN 268 CAN 269 FDG 270 ---
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271 --- 272 ATX 273 --- 274 MCI 275 ITT
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276 ONE 277 SNT 278 --- 279 MAL 280 ADG
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281 --- 282 ATX 283 MCI 284 MCI 285 ---
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286 --- 287 --- 288 MCI 289 MCI 290 ---
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291 --- 292 ATX 293 PRO 294 --- 295 ---
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296 --- 297 ARE 298 --- 299 CYT
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321 ATX 322 ATX 323 ATX 324 HNI 325 ATX
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326 UTC 327 ATX 328 ATX 329 TET 330 TET
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331 ATX 332 ATX 333 MCI 334 ATX 335 SCH
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336 ATX 337 FST 338 ATX 339 --- 340 ---
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341 ATX 342 ATX 343 ATX 344 ATX 345 ATX
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346 ATX 347 UTC 348 ATX 349 DCT 350 CSY
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351 ATX 352 ATX 353 --- 354 --- 355 ---
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356 ATX 357 --- 358 ATX 359 UTC 360 ---
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361 CAN 362 ATX 363 CAN 364 HNI 365 MCI
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366 UTC 367 ATX 368 ATX 369 TDD 370 TDD
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371 --- 372 ATX 373 TDD 374 --- 375 TNO
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376 --- 377 GTS 378 --- 379 --- 380 ---
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381 --- 382 ATX 383 TDD 384 FDT 385 CAB
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386 TBQ 387 CAN 388 --- 389 --- 390 ---
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391 --- 392 ATX 393 EXF 394 --- 395 ---
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396 --- 397 TDD 398 --- 399 ARZ
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421 ATX 422 ATX 423 ATX 424 ATX 425 TTH
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426 ATX 427 --- 428 ATX 429 --- 430 ---
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431 ATX 432 ATX 433 ATX 434 AGN 435 ATX
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436 IDN 437 ATX 438 ATX 439 --- 440 TXN
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441 ATX 442 ATX 443 ATX 444 MCI 445 ATX
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446 ATX 447 ATX 448 ATX 449 --- 450 USL
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451 ATX 452 ATX 453 ATX 454 ALN 455 ---
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456 MCI 457 ATX 458 ATX 459 --- 460 ---
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461 CAN 462 ATX 463 CAN 464 -- 465 CAN
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466 ALN 467 ICT 468 ATX 469 --- 470 ---
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471 ALN 472 ATX 473 --- 474 --- 475 TDD
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476 TDD 477 --- 478 AAM 479 --- 480 ---
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481 --- 482 ATX 483 --- 484 TDD 485 TDD
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486 TDX 487 --- 488 --- 489 TOM 490 ---
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491 --- 492 ATX 493 --- 494 --- 495 ---
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496 --- 497 --- 498 --- 499 ---
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521 ATX 522 ATX 523 ATX 524 ATX 525 ATX
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526 ATX 527 ATX 528 ATX 529 MIT 530 ---
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531 ATX 532 ATX 533 ATX 534 --- 535 ATX
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536 ALN 537 ATX 538 ATX 539 --- 540 ---
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541 ATX 542 ATX 543 ATX 544 ATX 545 ATX
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546 UTC 547 ATX 548 ATX 549 --- 550 CMA
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551 ATX 552 ATX 553 ATX 554 ATX 555 ATX
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556 ATX 557 ALN 558 ATX 559 --- 560 ---
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561 CAN 562 ATX 563 CAN 564 --- 565 CAN
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566 ALN 567 CAN 568 --- 569 --- 570 ---
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571 --- 572 ATX 573 --- 574 AMM 575 ---
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576 --- 577 GTS 578 --- 579 LNS 580 WES
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581 --- 582 ATX 583 TDD 584 TDD 585 ---
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586 ATC 587 LTQ 588 ATC 589 LGT 590 ---
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591 --- 592 ATX 593 TDD 594 TDD 595 ---
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596 --- 597 --- 598 --- 599 ---
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621 ATX 622 ATX 623 --- 624 ATX 625 NLD
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626 ATX 627 MCI 628 ATX 629 --- 630 ---
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631 ATX 632 ATX 633 ATX 634 ATX 635 ATX
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636 CQU 637 ATX 638 ATX 639 BUR 640 ---
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641 ATX 642 ATX 643 ATX 644 CMA 645 ATX
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646 --- 647 ATX 648 ATX 649 --- 650 ---
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651 --- 652 ATX 653 --- 654 ATX 655 ---
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656 --- 657 TDD 658 TDD 659 --- 660 ---
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661 CAN 662 ATX 663 CAN 664 UTC 665 CAN
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666 MCI 667 CAN 668 CAN 669 UTC 670 ---
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671 --- 672 ATX 673 TDD 674 TDD 675 ---
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676 --- 677 --- 678 MCI 679 --- 680 ---
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681 --- 682 ATX 683 MTD 684 --- 685 ---
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686 LGT 687 NTS 688 --- 689 --- 690 ---
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691 --- 692 ATX 693 --- 694 --- 695 ---
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696 --- 697 --- 698 NYC 699 PLG
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720 TGN
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721 --- 722 ATX 723 --- 724 RTC 725 SAN
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726 UTC 727 MCI 728 TDD 729 UTC 730 ---
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731 --- 732 ATX 733 UTC 734 --- 735 UTC
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736 UTC 737 MEC 738 MEC 739 --- 740 ---
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741 MIC 742 ATX 743 EDS 744 --- 745 ---
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746 --- 747 TDD 748 TDD 749 TDD 750 ---
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751 --- 752 ATX 753 --- 754 TSH 755 ---
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756 --- 757 TID 758 --- 759 MCI 760 ---
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761 --- 762 ATX 763 --- 764 AAM 765 ---
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766 --- 767 UTC 768 SNT 769 --- 770 GCN
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771 SNT 772 ATX 773 CUX 774 --- 775 ---
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776 UTC 777 MCI 778 UTC 779 TDD 780 TDD
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781 --- 782 ATX 783 ALN 784 ALG 785 SNH
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786 *1 787 --- 788 --- 789 TMU 790 ---
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791 --- 792 ATX 793 --- 794 --- 795 ---
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796 --- 797 TID 798 TDD 799 --
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821 ATX 822 ATX 823 THA 824 ATX 825 MCI
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826 ATX 827 UTC 828 ATX 829 UTC 830 ---
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831 ATX 832 ATX 833 ATX 834 --- 835 ATX
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836 TDD 837 TDD 838 --- 839 VST 840 ---
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841 ATX 842 ATX 843 ATX 844 LDD 845 ATX
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846 --- 847 ATX 848 ATX 849 --- 850 TKC
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851 ATX 852 ATX 853 --- 854 ATX 855 ATX
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856 --- 857 TLS 858 ATX 859 --- 860 ---
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861 --- 862 ATX 863 ALN 864 TEN 865 ---
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866 --- 867 --- 868 SNT 869 UTC 870 ---
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871 --- 872 ATX 873 MCI 874 ATX 875 ALN
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876 MCI 877 UTC 878 ALN 879 --- 880 NAS
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881 NAS 882 ATX 883 --- 884 --- 885 ATX
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886 ALN 887 ETS 888 MCI 889 --- 890 ---
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891 --- 892 ATX 893 --- 894 --- 895 ---
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896 TXN 897 --- 898 CGI 899 TDX
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921 --- 922 ATX 923 ALN 924 --- 925 ---
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926 --- 927 --- 928 CIS 929 --- 930 ---
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931 --- 932 ATX 933 --- 934 --- 935 ---
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936 RBW 937 MCI 938 --- 939 --- 940 TSF
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941 --- 942 ATX 943 --- 944 --- 945 ---
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946 --- 947 --- 948 --- 949 --- 950 MCI
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951 BML 952 ATX 953 --- 954 --- 955 MCI
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956 --- 957 --- 958 *2 959 *2 960 CNO
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961 --- 962 ATX 963 SOC 964 --- 965 ---
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966 TDX 967 --- 968 TED 969 TDX 970 ---
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971 --- 972 ATX 973 --- 974 --- 975 ---
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976 --- 977 --- 978 --- 979 --- 980 ---
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981 --- 982 ATX 983 WUT 984 --- 985 ---
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986 WUT 987 --- 988 WUT 989 TDX 990 ---
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991 --- 992 ATX 993 --- 994 --- 995 ---
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996 VOA 997 --- 998 --- 999 MCI
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NOTES:
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*1 -- RELEASED FOR FUTURE ASSIGNMENT
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*2 -- These NXX codes are generally reserved for test applications; They
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may be reserved for Acess Tandem testing from an End Office.
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Note also: The following NXX are dedicated for RCCP (Radio Common Carrier
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Paging) under the discretion of the local exchange carrier:
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202, 212, 302, 312, 402, 412, 502, 512, 602, 612, 702, 712, 802, 812, 902,
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and 912.
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OCN Reference List:
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ADG - Advantage Network, Inc. AGN - AMRIGON
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ALG - Allnet Communication Services AMM - Access Long Distance
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AAM - ALASCOM ARE - American Express TRS
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ARZ - AmeriCall Corporation (Calif.) ATC - Action Telecom Co.
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ATX - AT&T BML - Phone America
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BUR - Burlington Tel. CAB - Hedges Communications
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CAN - Telcom Canada CNO - COMTEL of New Orleans
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CQU - ConQuest Comm. Corp CSY - COM Systems
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CUX - Compu-Tel Inc. CYT - ClayDesta Communications
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DCT - Direct Communications, Inc. DLT - Delta Communications, Inc.
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EDS - Electronic Data Systems Corp. ETS - Eastern Telephone Systems, Inc.
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EXF - Execulines of Florida, Inc. FDG - First Digital Network
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FDN - Florida Digital Network FDT - Friend Technologies
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FST - First Data Resources GCN - General Communications, Inc.
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GTS - Telenet Comm. Corp. HNI - Houston Network, Inc.
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ITT - United States Transmission System LDD - LDDS-II, Inc.
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LDL - Long Distance for Less LGT - LITEL
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LNS - Lintel Systems LSI - Long Distance Savers
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LTQ - Long Distance for Less MAL - MIDAMERICAN
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MCI - MCI Telecommunications Corp. MDE - Meade Associates
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MEC - Mercury, Inc. MIC - Microtel, Inc.
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MIT - Midco Communications MTD - Metromedia Long Distance
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NLD - National Data Corp. NTK - Network Telemanagement Svcs.
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NTS - NTS Communications ONC - OMNICALL, Inc.
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ONE - One Call Communications, Inc. PHE - Phone Mail, Inc.
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PLG - Pilgrim Telephone Co. PRO - PROTO-COL
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RBW - R-Comm RTC - RCI Corporation
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SAN - Satelco SCH - Schneider Communications
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SDY - TELVUE Corp. SIR - Southern Interexchange Services
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SLS - Southland Systems, Inc. SNH - Sunshine Telephone Co.
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SNT - SouthernNet, Inc. SOC - State of California
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TBQ - Telecable Corp. TDD - Teleconnect
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TDX - Cable & Wireless Comm. TED - TeleDial America
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TEM - Telesystems, Inc. TEN - Telesphere Network, Inc.
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TET - Teltec Savings Communications Co. TGN - Telemanagement Consult't Corp.
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THA - Touch America TID - TMC South Central Indiana
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TKC - TK Communications, Inc. TLS - TELE-SAV
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TMU - Tel-America, Inc. TNO - ATC Cignal Communications
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TOM - TMC of Montgomery TOR - TMC of Orlando
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TSF - SOUTH-TEL TSH - Tel-Share
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TTH - Tele Tech, Inc. TTU - Total-Tel USA
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TXN - Tex-Net USL - U.S. Link Long Distance
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UTC - U.S. Telcom, Inc. (U.S. Sprint) VOA - Valu-Line
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VST - STAR-LINE WES - Westel
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WUT - Western Union Telegraph Co.
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NOTE: Where local telcos, such as Illinois Bell offer 800 service, they
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purchase blocks of numbers from AT&T on prefixes assigned to AT&T. They
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are free to purhcase blocks of numbers from any carrier of their choice
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however.
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DOWNLOADED FROM P-80 SYSTEMS 304-744-2253
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