LATA Directory

197 Local Access and Transport Areas covering 21,763 rate centres. A LATA is the region a call is routed within before it becomes long-haul — boundaries drawn at the 1984 Bell System breakup that still shape how calls are routed and rated.

LATA	Covers	Area codes	Rate centres	Carriers
120	Maine	1	251	66
122	New Hampshire	1	147	53
124	Vermont	1	141	50
126	Massachusetts	1	62	51
128	Massachusetts	8	203	72
130	Rhode Island	1	25	41
132	Connecticut, New York	16	122	103
133	New York, Pennsylvania	5	78	77
134	Massachusetts, New York	3	136	88
136	New York	3	165	73
138	New York, Pennsylvania	3	97	75
140	New York, Pennsylvania	4	103	68
220	New Jersey	3	18	47
222	New Jersey	3	53	61
224	New Jersey	7	136	83
226	Pennsylvania	8	113	63
228	Delaware, Pennsylvania	7	152	96
230	Pennsylvania	2	135	62
232	New Jersey, Pennsylvania	7	170	76
234	Pennsylvania	3	184	78
236	District of Columbia, Maryland, Virginia	12	50	93
238	Maryland	6	63	60
240	Maryland, Pennsylvania, West Virginia	9	47	62
242	Maryland	3	43	44
244	Tennessee, Virginia	4	93	66
246	Virginia	4	39	42
248	Virginia	3	80	53
250	North Carolina, Virginia	5	36	49
252	North Carolina, Virginia	3	35	52
254	Virginia, West Virginia	3	110	55
256	Pennsylvania, West Virginia	3	91	54
320	Ohio	4	67	57
322	Ohio	3	36	47
324	Ohio	4	196	68
325	Ohio	2	63	53
326	Michigan, Ohio	3	154	76
328	Ohio	4	102	55
330	Indiana	2	48	42
332	Indiana	3	89	55
334	Indiana	2	61	47
336	Illinois, Indiana	6	157	80
338	Indiana	2	78	51
340	Michigan	8	131	73
342	Michigan, Wisconsin	2	97	48
344	Michigan	1	134	61
346	Michigan	1	57	54
348	Michigan	4	218	78
350	Wisconsin	4	157	85
352	Minnesota, Wisconsin	3	154	75
354	Illinois, Wisconsin	4	157	86
356	Illinois, Wisconsin	6	130	66
358	Illinois, Indiana, Wisconsin	13	218	90
360	Illinois, Wisconsin	3	37	49
362	Illinois	2	69	43
364	Illinois	2	41	41
366	Illinois	5	61	46
368	Illinois	3	91	53
370	Illinois	2	59	42
374	Illinois	2	55	48
376	Illinois	2	55	33
420	North Carolina	1	42	47
422	North Carolina, South Carolina	8	98	89
424	North Carolina	6	87	69
426	North Carolina	2	25	59
428	North Carolina, South Carolina	4	31	55
430	North Carolina, South Carolina	3	68	66
432	South Carolina	2	53	47
434	South Carolina	4	62	62
436	South Carolina	2	32	55
438	Alabama, Georgia	10	138	97
440	Georgia, South Carolina	3	74	72
442	Georgia, South Carolina	5	28	60
444	Georgia	1	84	46
446	Georgia	1	42	53
448	Alabama, Florida	4	24	57
450	Florida, Georgia	3	33	45
452	Florida	3	42	57
454	Florida	1	48	54
456	Florida	1	9	43
458	Florida	4	24	73
460	Florida	8	25	80
462	Indiana, Kentucky	5	91	75
464	Kentucky, Tennessee	4	135	53
466	Kentucky, Tennessee	4	161	60
468	Kentucky, Mississippi, Tennessee	5	91	75
470	Alabama, Kentucky, Tennessee	7	168	77
472	Alabama, Georgia, North Carolina, Tennessee	6	37	64
474	Kentucky, North Carolina, Tennessee	4	63	60
476	Alabama	4	119	74
477	Alabama, Mississippi	3	34	59
478	Alabama, Georgia	3	88	65
480	Alabama, Florida, Mississippi	4	43	60
482	Alabama, Louisiana, Mississippi, Tennessee	10	226	80
484	Louisiana, Mississippi	2	11	46
486	Arkansas, Louisiana, Texas	4	116	61
488	Louisiana	1	75	52
490	Louisiana, Mississippi	3	49	54
492	Louisiana	1	33	47
520	Illinois, Missouri	7	395	95
521	Missouri	2	29	39
522	Arkansas, Kansas, Missouri, Oklahoma	5	171	70
524	Iowa, Kansas, Missouri	5	378	104
526	Arkansas, Missouri, Oklahoma	4	54	49
528	Arkansas, Missouri, Oklahoma	6	274	70
530	Arkansas, Louisiana	3	60	40
532	Colorado, Kansas, Missouri, Oklahoma	7	295	103
534	Colorado, Kansas, Nebraska	4	255	69
536	Oklahoma, Texas	4	326	77
538	Kansas, Oklahoma	3	165	75
540	New Mexico, Texas	2	14	48
542	Texas	2	62	46
544	Texas	1	101	49
546	Colorado, New Mexico, Oklahoma, Texas	4	100	56
548	Texas	1	59	54
550	Texas	1	38	39
552	Texas	10	305	104
554	Arkansas, Texas	4	89	60
556	Texas	1	74	53
558	Texas	2	48	62
560	Texas	7	182	92
562	Texas	1	44	41
564	Texas	1	73	55
566	Texas	4	133	73
568	Texas	1	32	47
570	Texas	1	23	39
620	Iowa, Minnesota, South Dakota	5	228	94
624	Minnesota, Wisconsin	2	59	53
626	Minnesota, South Dakota	3	124	78
628	Minnesota	6	57	69
630	Iowa, Minnesota, Nebraska, South Dakota	5	144	97
632	Iowa, Missouri	3	320	113
634	Iowa, Illinois, Missouri, Wisconsin	7	133	94
635	Iowa, Minnesota	3	150	96
636	Minnesota, North Dakota, South Dakota	3	317	100
638	Montana, North Dakota, South Dakota	3	163	48
640	Iowa, Minnesota, Montana, North Dakota, Nebraska, South Dakota, Wyoming	9	265	94
644	Iowa, Missouri, Nebraska, South Dakota	5	221	109
646	Colorado, Kansas, Nebraska, South Dakota, Wyoming	5	178	72
648	Idaho, Montana	3	134	52
650	Montana, North Dakota, Wyoming	3	124	59
652	Idaho, Nevada, Oregon, Utah, Wyoming	7	111	90
654	Colorado, Idaho, Montana, South Dakota, Utah, Wyoming	7	92	59
656	Colorado, Nebraska	5	128	100
658	Colorado	1	80	66
660	Arizona, Nevada, Utah	7	128	77
664	New Mexico, Texas	3	149	78
666	Arizona, California, Nevada, Utah	10	71	68
668	Arizona, New Mexico	3	31	53
670	California, Oregon	3	99	57
672	Oregon, Washington	7	172	113
674	Washington	5	85	78
676	Idaho, Oregon, Washington	5	124	87
720	California, Nevada, Oregon	3	79	55
721	California, Nevada	5	18	62
722	California	11	149	70
724	California	3	81	48
726	California	6	63	66
728	California	3	60	53
730	Arizona, California	21	207	86
732	California	4	40	57
734	California	2	23	50
736	California	2	18	44
738	California	3	61	51
740	California	2	22	49
820	Puerto Rico	2	84	23
822	U.S. Virgin Islands	1	4	11
832	Alaska	1	252	46
834	Hawaii	1	6	37
871	Guam	1	1	9
888	Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon	55	2,987	129
920	Connecticut	4	87	47
921	New York	1	1	1
922	Indiana, Kentucky, Ohio	5	41	77
923	Ohio	8	99	58
924	Pennsylvania	2	33	36
927	Virginia	2	11	31
928	Virginia	1	8	35
929	Virginia	2	9	9
932	Virginia, West Virginia	3	30	45
937	Indiana, Ohio	2	31	39
938	Illinois, Indiana	4	26	43
939	Florida	3	27	54
949	North Carolina	7	63	49
951	North Carolina	3	95	51
952	Florida	5	29	68
953	Florida	2	9	41
956	Tennessee, Virginia	2	52	58
958	Iowa, Kansas, Nebraska	4	174	44
960	Idaho, Montana, Washington	4	42	50
961	Texas	1	63	39
973	California	2	13	41
974	New York	1	43	53
976	Illinois	2	59	33
977	Illinois	3	52	34
978	Illinois	2	60	30
980	Arizona	1	23	9
981	Utah	1	3	3