ATIS 0300051(2019-04)

Central Office Code (NXX) Assignment Guidelines (COCAG)

The Alliance for Telecommunications Industry Solutions , 10/26/2018

Publisher: ATIS

File Format: PDF

$85.00$171.16


This document specifies guidelines for the assignment of central office (CO) codes. Examples of uses for CO codes (NXX) for which these guidelines apply include plain old telephone service (POTS), Centrex, Direct Inward Dialing (DID), cellular mobile service, pagers, data lines, facsimile, coin phones, and customer owned pay phones. While these guidelines were developed at the direction of the FCC, they do not supersede controlling appropriate NANP Area governmental or regulatory principles, procedures and requirements.

ATIS 0300051(2019-04) History

ATIS 0300119(2024-12)

ATIS 0300119(2024-12)

$116.00 $233.54

ATIS 0300119(2024-11)

ATIS 0300119(2024-11)

$136.00 $273.51

ATIS 0300119(2024-10)

ATIS 0300119(2024-10)

$91.00 $182.73

ATIS 0300119(2024-08)

ATIS 0300119(2024-08)

$94.00 $189.75

ATIS 0300119(2024-03)

ATIS 0300119(2024-03)

$149.00 $298.77

ATIS 0300119(2023-09)

ATIS 0300119(2023-09)

$91.00 $183.22

ATIS 0300119(2023-06)

ATIS 0300119(2023-06)

$111.00 $222.68

ATIS 0300119(2023-04)

ATIS 0300119(2023-04)

$94.00 $188.10

ATIS 0300119(2023-03)

ATIS 0300119(2023-03)

$140.00 $281.99

ATIS 0300119(2022-07)

ATIS 0300119(2022-07)

$117.00 $234.07

ATIS 0300119(2022-04)

ATIS 0300119(2022-04)

$123.00 $246.39

ATIS 0300119(2021-07)

ATIS 0300119(2021-07)

$146.00 $293.37

ATIS 0300119(2021-01)

ATIS 0300119(2021-01)

$97.00 $194.33

ATIS 0300119(2021-09)

ATIS 0300119(2021-09)

$95.00 $191.85

ATIS 0300119(2020-11)

ATIS 0300119(2020-11)

$76.00 $152.69

ATIS 0300119(2020-07)

ATIS 0300119(2020-07)

$124.00 $248.99

ATIS 0300119(2020-06)

ATIS 0300119(2020-06)

$82.00 $164.59

ATIS 0300119(2020-03)

ATIS 0300119(2020-03)

$79.00 $158.53

ATIS 0300066(2019-05)

ATIS 0300066(2019-05)

$127.00 $255.99

ATIS 0300051(2019-05)

ATIS 0300051(2019-05)

$145.00 $291.96

ATIS 0300066

ATIS 0300066

$103.00 $207.25

ATIS 0300051

ATIS 0300051

$99.00 $199.22

ATIS 0300051

ATIS 0300051

$93.00 $187.86

ATIS 0300066

ATIS 0300066

$141.00 $283.03

ATIS 0300066

ATIS 0300066

$81.00 $162.84

ATIS 0300051

ATIS 0300051

$81.00 $162.62

ATIS 0300051(2019-04)

ATIS 0300051(2019-04)

$85.00 $171.16

ATIS 0300066(2019-04)

ATIS 0300066(2019-04)

$145.00 $290.14

ATIS 0300051

ATIS 0300051

$101.00 $202.56

ATIS 0300051

ATIS 0300051

$128.00 $256.45

ATIS 0300066

ATIS 0300066

$133.00 $267.69

ATIS 0300051

ATIS 0300051

$114.00 $228.94

ATIS 0300051

ATIS 0300051

$106.00 $212.99

ATIS 0300066

ATIS 0300066

$148.00 $296.30

ATIS 0300066

ATIS 0300066

$95.00 $190.74

ATIS 0300051

ATIS 0300051

$119.00 $239.69

ATIS 0300051

ATIS 0300051

$85.00 $170.51

ATIS 0300066

ATIS 0300066

$142.00 $285.79

ATIS 0300051

ATIS 0300051

$104.00 $209.14

ATIS 0300051

ATIS 0300051

$93.00 $186.02

ATIS 0300051

ATIS 0300051

$98.00 $196.68

ATIS 0300051

ATIS 0300051

$116.00 $233.85

ATIS 0300051

ATIS 0300051

$89.00 $179.11

ATIS 0300051

ATIS 0300051

$84.00 $168.66

ATIS 0300051

ATIS 0300051

$130.00 $261.19

ATIS 0300051

ATIS 0300051

$144.00 $289.93

ATIS 0300051

ATIS 0300051

$97.00 $195.90

ATIS 0300051

ATIS 0300051

$117.00 $235.30

ATIS 0300051

ATIS 0300051

$85.00 $171.10

ATIS 0300051

ATIS 0300051

$84.00 $169.70

ATIS 0300051

ATIS 0300051

$110.00 $221.77

ATIS 0300051

ATIS 0300051

$147.00 $295.13

ATIS 0300051

ATIS 0300051

$85.00 $170.51

ATIS 0300051

ATIS 0300051

$107.00 $215.36

ATIS 0300051

ATIS 0300051

$84.00 $168.08

ATIS 0300051

ATIS 0300051

$118.00 $236.31

ATIS 0300051

ATIS 0300051

$102.00 $205.25

More ATIS Standards PDF

ATIS 0300113

ATIS 0300113

$91.00 $183.07

ATIS 0300112

ATIS 0300112

$91.00 $183.23

ATIS 0300111

ATIS 0300111

$80.00 $160.17

ATIS 0300066

ATIS 0300066

$126.00 $252.17